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Hailong Bai
Director
Yunnan Tin Group (Holding) Company Ltd. R&D Center

Hailong Bai, a senior engineer of Materials, holds an on-job doctorate of Engineering and mainly studies design and processing of alloy materials. He serves as R&D Center Director of Yunnan Tin Group (Holding) Company Ltd. at present after working successively as General Manager Assistant, Deputy General Manager and General Manager of Tin Products Manufacturing Co., Ltd. of YTCL as well as Deputy General Manager of Yunnan Tin Co., Ltd. He has led to accomplish five key research projects at the provincial and ministerial levels and a number of technological transformation projects since 2010, from R&D to development, production and engineering application of new products. Moreover, besides completion of major provincial, municipal and corporate scientific researches, he has successfully developed more than ten kinds of new products including gold-sprayed wire, solder paste, lead-free solder, high-purity metal, indium dioxide, ITO target, etc., which have brought a sales turnover of 2 billion yuan accumulatively and tax revenue above 80 million yuan. He has more than 20 patents authorized and over 30 professional papers published, has won five provincial and ministerial awards. In addition, he has been selected as a member of Yunling Industrial Leading Talent in Yunnan Ten-thousand-person Program and won the title of Technology Innovative Talent of Yunnan Province.
As a branch of Yunnan Tin Group (Holding) Company Ltd., Yunnan Tin Group (Holding) Company Ltd. R&D Center is a technology innovation center intergrating technology R&D, achievement transformation, new product incubation, talent cultivation, and opening-up and cooperation to work for development, production and sales of new indium and tin materials. Composed of multiple technological platforms including Yunnan Indium New Material Engineering Research Center, Yunnan Tin Material Genetic Engineering Research Center and Yunnan Tin New Material Enterprise Major Laboratory, the center mainly produces high-purity indium, gallium and tin, indium dioxide, ITO powder and targets, preformed solder lug, fire retardant and so on.

Feng Chen
Vice General Manager
Beijing JiYa Semiconductor Material Co., Ltd.

Feng Chen graduated from the School of Foreign Languages of Shanxi University in 1975, and worked in Beijing JiYa Semiconductor Material Co., Ltd. from 1999 to 2016. He now works as Vice General Manager of the company in charge of selling, and also as Director of Shaanxi Huadian Resin Co. Ltd. and Executive Director of Shanxi Jiahua Tianhe Electronic Materials Co., Ltd.
Founded in 1999, Beijing JiYa Semiconductor Material Co., Ltd. is one of the first companies in the world to adopt the most advanced hydrometallurgical technology to extract gallium in a large scale from Bayer spent liquid, and has an annual production of about 55 tons of 4N Gallium. JiYa supplies its products to clients from the United States of America, the United Kingdom, Germany, the Netherlands, Japan, South Korea and other countries and also has many clients across China.

Jack Huang
Chairman and founder
Shaanxi Injay Semiconductor Co., Ltd.

Jack Huang holds a master's degree in chemical engineering from Beijing University of Chemical Technology with 15 years of engineering and management experience in the semiconductor industry. Jack Huang organized and participated in a number of major research and development projects and the localization of crystal materials with a high degree of system integration. Jack Huang has more than 50 patents, including nearly 20 invention patents. In 2021, Jack Huang was selected as a high-level scientific and technological talent introduced by Qin Chuang Yuan in Shaanxi. Jack Huang has extensive experience in technical research and development, technical guidance, project planning, team building and production operations.
Shaanxi Injay Semiconductor Co., Ltd. is a high-tech company dedicated to the R&D and industrialization of compound semiconductor materials. Focusing on the industrialization of the high-quality polycrystalline indium phosphide semiconductor material project, the project achieved a breakthrough of zero in the high-quality indium phosphide polycrystalline industrialization in China. The company has a complete set of equipment, process and control systems with independent intellectual property rights, and has a highly integrated automatic polycrystalline production capacity. The company preliminarily achieved mass production of polycrystalline indium phosphide, was recognized by customers and passed the certification of relevant testing institutions. The product quality reached the international advanced level, and all indicators are consistent and stable.

Kevin Liu
General Manager
5N Plus Shangyu Co., Ltd

Kevin Liu is working for 5N Plus Shangyu as MD and GM with the responsibilities for managing the regional operations and developing business in the market of China, Korea and SE Asia. Under his leadership, many Bismuth related projects have been implemented successfully. In the past 16 years, he has been focusing on the development of downstream Bi products and the market as well as the sustainable development of Bi industry.
5N Plus is a world’s leading producer of high specialty metals and chemicals. 5N Plus is headquartered in Montreal with multiple facilities in NA, Europe and Asia. 5N Plus Shangyu is a subsidiary of 5N Plus Group in China and located in Hangzhou Bay Economy and Technology Development Park in Zhejiang Province. The business of the company is covering the manufacturing and sales of the products based on minor metals and especially specialized on Bi related products with the strong capability to produce or customize a complete portfolio of Bi-based products.

Chao Yang
Group Purchasing Director
HC Semitek Corporation

Chao Yang is a master of physical electronics from Harbin Institute of Technology. Before joining HC Semitek Corporation, he served successively as Senior Sales Manager of Viavi Corporation, Regional Sales General Manager of Finisar Corporation and Sales Director of Nokia. He has more than 11 years of employment and rich management experience in international well-known communication companies. At present, he works as the Purchasing Director of HC Semitek Corporation, responsible for the purchase of equipment, engineering, raw and auxiliary materials, etc. Through years of sales and purchase experience and the edification of corporate culture in different countries, he has keen insight into the upstream and downstream of the industry, the ability to integrate industry resources and the ability to manage the team.
HC Semitek Corporation, established in 2005, is the world's leading supplier of LED chips and advanced semiconductor solutions. It entered the capital market in 2012 and integrated industrial upstream resources to acquire Crystaland in 2016. Headquartered in Wuhan, it now has three production bases: Zhangjiagang, Yiwu and Yuxi. LED chip products have covered all LED market segments and provided chip level solutions. The chips are widely used in TV, computer, mobile phone and other consumer electronics, indoor and outdoor display, lamps and all kinds of lighting, UV and other high-end markets. In recent years, the application fields of HC Semitek Corporation's products have been continuously expanded, including Mini LED ultra-high definition display, Micro LED wearable devices and large screen display, conference and cinema multi-functional display, government traffic command center, the high-end backlight for medium and large-scale consumer electronics, intelligent lighting, car lights and plant lighting, UV disinfection and sterilization, etc. In 2020, it officially entered the field of gallium nitride-based power electronic devices, mainly for mobile consumer electronic terminals, fast chargers, other power equipment, cloud computing big data server center, communication and automotive applications, and led the cutting-edge technology in the third generation semiconductor field.

Yan Liu
Deputy General Manager of Sales
Zhuzhou Keneng New Material Co., Ltd.

Yan Liu has been working in the marketing of rare metals for 15 years and is currently the Deputy General Manager of Sales of Zhuzhou Keneng New Material Co., Ltd. She has keen market sense, excellent logical analysis abilities and other abilities to make great breakthroughs in rare metals business.
Founded in January 2002, Zhuzhou Keneng New Material Co., Ltd. is a national grade high-tech enterprise specializing in the production of minor (rare) metals, semiconductor materials and display luminescent materials.The company mainly produces indium, gallium, bismuth, tellurium, tin and all their related products and usually sells its products to Japan, South Korea, Europe, USA, Hong Kong, Taiwan and other countries and regions to meet the rising demand for LCD, semiconductor, electronics, solar energy, medicine and others. It has established a long-term, continuous and stable cooperative relationship with clients and merchants both at home and abroad. The company, which also engages in recycling of valuable waste materials, has already built a raw material-material-product-waste material recycling industry chain and realized the reuse of resources.

Christian Hell
Managing Director
IV IR Optics

Christian Hell graduated from the Julius Maximilian University of Würzburg and has a Ph.D. in Inorganic Chemistry. Since 2004, he was working for Photonic Sense as technical director. He has mainly been focused on material analytics and the Czochralski crystal growing process. After the change of ownership of the company, he became Managing Director of IV IR Optics in 2021.
IV IR Optics is dedicated to manufacturing highest quality germanium and silicon material and precision components for infrared optics applications. Their advanced production and measuring technologies and equipment guarantee consistent and cost effective processes and outstanding product quality. As a reliable and flexible partner they help customers to increase their production efficiency with short lead times, support of Kanban principles and high precision blanks to save manufacturing cost.

Shicheng Huang
General Manager
Guangxi Crystal Union Photoelectric Materials Co., Ltd.

Mr. Shicheng Huang, with a Ph.D. in Materials Science from Central South University, has won the titles of the 13th batch of Top Talents of Liuzhou City, Liuzhou Model Worker, the 4th batch of Liuzhou Industrial Enterprise Experts of Special Government Allowance, the Management Leader of Longhua Technology Group, etc. He has obtained 7 invention patents, participated in the formulation of 4 industry standards, and ever won the first prize of Guangxi Science and Technology Progress Award and the first prize of Achievement Award of Invention and Entrepreneurship Association.
Guangxi Crystal Union Photoelectric Materials Co., Ltd. has been engaged in the development and application of indium tin oxide (ITO) targets for 13 years. Through taking the lead in breaking the technological monopoly, which realized the localization of ITO targets, and achieveing the bulk supply of ITO targets by upgrading the liquid crystal panel production line from the 2.5th generation to the 10.5th generation, the company has become the leader in ITO localization.

Chen Lin
Marketing Director
Yunnan Chihong International Germanium Industry Co., Ltd.

Chen Lin joined Yunnan Chihong Zn&Ge Co., Ltd. in 2009 and has been working on purchase and sales.
Founded on 16 March, 2018 with a registered capital of RMB250 million (USD36.00 million) and located in Qujing Economic and Technological Development Area, Yunnan Chihong International Germanium Industry Co., Ltd. (hereinafter referred to as "Chihong International Germanium") is a wholly-owned subsidiary of Yunnan Chihong Zn&Ge Co., Ltd. (hereinafter referred to as "Chihong Zn&Ge"), a state-owned A-share listed company, and owns 120 employees. Chihong International Germanium is a part of Chihong Zn&Ge's strategic development in germanium industry.